{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0x5e48f4b7dd1c3a5c94e8d0793720c6a7373cd454d0270a16885887686c8f338b",
    "signature": "0xae7b2ee1b4b135251924af2ec7a226b02ff7b8a741ba27411b4eabec121e125e4f62e1bb14aad73c3117266c2bd042119372fb04a43291cda89ec6b5005c4f891b",
    "signer": "0x4611Dec6A3065fb4F7A23A8F14C1c300A8Eec7C6",
    "userId": "650714154"
  }
}