{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "364240301",
    "entityType": "User",
    "nonce": "0x9789b5f2b72f79cbbd3a79cadd86b48028309dd35762af6c7bf869f0763d3ebc",
    "signature": "0x188f5d0e469d471eca5f29a7bba2a3f30371af7dbd8963fdd111b6c1da8bb2e54e6d3e497063678ad2691cb9e4a9b01974be0934b4aa91a1dd17ee4a52215b101c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}