{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176232909",
    "entityType": "User",
    "nonce": "0xd20e1d3264e967fcf36785de7f45058b2300041588c51a24082986207be713ef",
    "signature": "0xc3b6d2c6de76fe92f60d9e2273c49ac385d73ba1c0b61dbcf074faac80749f1c1818699123f5ade8151cf3c1c2647efffd3445723c2b0b8bbdea257f753dddb61c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}