{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "485987672",
    "entityType": "User",
    "nonce": "0xcbd723917f3e45e331f26ca3c94b2e2220eb74060bf4771164a7e6e64c0a886b",
    "signature": "0x15718b0d136dafbaa480a19d7c8ca643f233b20c9a72eaf698bcd2e26e074041746fd6b03c587af401c8acfcac6544028e489c3ae857cd826a21a71af8bf0ead1b",
    "signer": "0x12302E88Cf971407d5bdd167b1AA2664556D3385",
    "userId": "68176371"
  }
}