{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354001",
    "entityType": "User",
    "nonce": "0x5b9a1699b41abc729d3f0c66c0e89b85317522de28c9d27e68082f784ac2fd54",
    "signature": "0x911230ba37336493b2458396429d370b441ae20eefe5f36b774e495c232efc45642e238228a00a60f4b268e865bd71d2ffbe73ac3820e8cf15f1b9a11ed2dafd1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}