{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xbb18ecd35269fe6c7625d2867500d7aaac1d83bd3b7df2a4f5d1df8153ef4ff3",
    "signature": "0xf593d6449e554c5cf3c3e497aa4a0d578f505c8f69fe1c411f616202eb67cc3f15be175076b54f77a5ebd905d50802802d3b9ce118c88f1c9fc549775019c1c31c",
    "signer": "0x1788E4C39d3326e598F16767C69826869594E359",
    "userId": "116504833"
  }
}