{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "843258957",
    "entityType": "User",
    "nonce": "0xea107eea818723199c6e3f52bfa62f45e526f21fc66d7c6b0f16777cf51ce073",
    "signature": "0x3d352b46ba8e988f2b71b60eb48f873def4916638a4d6dc55aff8d4e7b8578323ebda1fa18748650514955f4b210b746d2982a078821ee72216c252b27d500dd1b",
    "signer": "0x10805E046e879D8e4503D67e495Fd1d280142e5D",
    "userId": "355715"
  }
}