{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2018276",
    "entityType": "User",
    "nonce": "0xd22f91f45fca655b19e29cb665817c2f3e6624ded0e8f2516f350c48d5d4f5d1",
    "signature": "0xed96c4509f4f0d8bd060ec46f51a0d3c8cf6e900677822eb134d1e9fb9fed9b374e0d61f1983f5c6297af6631649f4769d6ea0e2ba5bc45fc6bd7a0301b40ab71b",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}