{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2018276",
    "entityType": "User",
    "nonce": "0xae32e143f1b2e142ae15cd00d43410941b6082f6a38a45951e3a367595c8cbbf",
    "signature": "0x8fb075aa8cc53f0587afc6d44f272bd31ccc5a13105e65b01211dd6f86079571369cf1ccff50a97538e307c889774ab3a3f3cadee475cfc064149fa33088f0e81c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}