{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "933",
    "entityType": "User",
    "nonce": "0x247b57d8f97ec5008a8c61ffe2217b92f5a162b0abd30be78061e271670136c8",
    "signature": "0xf7d9311206236fcb172f71bed7df76ec7739610b47f69dacc624a1c2abc3df31714306ba881b2e00394869e2ef6be1e4a6619c264485df1aada4e6bb199582511c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}