{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "652",
    "entityType": "User",
    "nonce": "0xe2103c620da87ff7a1e4e9ee27941a63409738a6d878bad0c3c522ff0db1857e",
    "signature": "0x0c944017c13a870dc0519231e7c827e50506277a53c5e557363d16b00e224075227d7328c2d639bcd1b75047baef39e76d91e2aa338da85f9acacc7ec4f68dde1c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}