{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3288",
    "entityType": "User",
    "nonce": "0x3788ef4f249e976b79f49ff92e804cb9d2afa5f33e51ee8df6f7bc1e3f4fab92",
    "signature": "0x78ea844d310a50234e272492ab9e49aca157b45f1b80612ca81d99ef7509ad413b40aa1c1a1806924af870faf19157a3b52af847eba9a323d91a820b3ee3f5c11c",
    "signer": "0xd6F1269ac846201d7f6d5574279594D67A06bBb2",
    "userId": "624634439"
  }
}