{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "158838064",
    "entityType": "User",
    "nonce": "0xebac1062b027a8c62042da7943b069283267bdcdee2cfa092f500725ca992301",
    "signature": "0xea47a81785ff483cf26fc3a88c752a244277e97f316c657c33ea1ea3fb066d5c3b100611829f4c0628b22bf468b34bcdff0e6ab203a13512b13b7fb34459d5961b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}