{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0xd801989f65adf3a1561e16bbfb6a3dab5ceb5790adc6a2a63aef930b2ca3da48",
    "signature": "0x421dc2e07468e365e5c726e3d9c16b46797bf3bf8ab31149226ffe591faa8f152dd5b17bb4170e111d24558b1ca5bd946708658cbe582e0fe964ca17e16377a31c",
    "signer": "0x18e80443A33c763307bac21D4Ec54B381DFC58cA",
    "userId": "964025330"
  }
}