{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1471974",
    "entityType": "User",
    "nonce": "0x25220b79dc969151aa30f005c5cc7adfb3ce6fc5db75776a60fd00991bb49861",
    "signature": "0x00154827250b34007a1304d901a7014ce1c1cf67275c5aa87b3e500df76945527b05b44c8e855ec226e8f61204a28b44d66e3391bd35260a15da846eadb030db1b",
    "signer": "0x28fC8B4966Ce6368CED67496DaeF648ddE50bC1F",
    "userId": "159809481"
  }
}