{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x585279f7a5253da55305482c7d7423ff33079eb13cf6e526b7e962c53b29d14d",
    "signature": "0x3d8f0cafdd7b726f5ccebc3e05d352a845f739dceca9219c861ebeee3776922a3d7ffda1f849be3a4a3e82186f736df599b36f3d349c3bf707ece38a23c18df31c",
    "signer": "0x48acbC9708E5ce6277AEAEa97159BcC2A75a4E0a",
    "userId": "530725376"
  }
}