{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "881446128",
    "entityType": "User",
    "nonce": "0xaecd6c681518d7595062cfa270f30c92b372478e5d415a82d897a3b24dad406d",
    "signature": "0x74274f0fb6ab199b9a7455315d822cc092fe899cccbdc65ac1a39f7beb51918f772023372f74f4049fabda7612bddad9576f96dd0b0d2b084a37e1836c7bcafa1b",
    "signer": "0x96339e3C19861DFc37C9670Da1cF2d718efF3FF9",
    "userId": "126262"
  }
}