{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1053953",
    "entityType": "User",
    "nonce": "0x258ce2c2218cc136ca2c80f788ced6077dbf18a45ad66fb23bc3ed400caaff2d",
    "signature": "0xa188af6e35d2f062b8af4b7216ade05ef02b85e46792adcc2a2a238c1a1fea1009ff79e978eb4fb9dc73a96d0b9cc808bfb50af28127140e8d0cb44ee5fba1d51c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}