{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x835f9e40ef054adbf56996833e4c644da76355aa53e6c5aaa961d539637f00d2",
    "signature": "0x9fff74b7c6c052bfb5c1795f3cab77d708f51b6a46c2783690c74dc5deae9b50244f8be182b6b20b460bf52915082bc402eee6bfd8448ba151f2f67b21a854751b",
    "signer": "0xd81299912e1755E325D343C6dCF261FBbc9980ea",
    "userId": "79804165"
  }
}