{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "32528",
    "entityType": "User",
    "nonce": "0x523911603ac04cf0ddd3ed86858b0756e29884fd8670b8db0bca71bfbe48e07e",
    "signature": "0xc681185eb83692aa4f3d1a7ccc50f8e49779de2eded0ac03ec70c99cda8d45b07dafb6d5020cca0823f7523d65274bba09cdfd9902414f000d38213fccce9eff1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}