{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "369389",
    "entityType": "User",
    "nonce": "0x86031602961fd8b54877d03c10557d3f3b8d7359202f446557df83d667133342",
    "signature": "0xb6b80f2dd0b44c158a2fda17c7d48b57adbb2ac6864c10ed80725fed010a7d4b71ba2ec660ac31dd987902c948037070a99f5d4f21de29547a233403d4692d991c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}