{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135219",
    "entityType": "User",
    "nonce": "0xfad6c8252b7464c987059b7a804e9b4c2a7b595e81cb678631597f29857984af",
    "signature": "0x6bbed40ec38ff7d4f7c9cb0dd37cb8663c2849cec856a56d4033e6f6ef262109725b8f128d072a740b426eddbcc06de71998859f8d0be7cff4f1e0fb3ed0f72b1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}