{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "377610060",
    "entityType": "User",
    "nonce": "0x92a950430e97a0c2ffa4e733f9f25a21fd165c58f57b11a24de45d18c9c0c55f",
    "signature": "0x415e10b3709607fa283989cf62adb4c744289fa2ea179691000751f9c313a54a65118b6fd2a0d1dc79c630fea47348d321a04f827b1323098445f235afc1e5ad1b",
    "signer": "0xE726D55D6940a70995Ce9D8aa1aCE76FC6f4f544",
    "userId": "285113781"
  }
}