{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "283769",
    "entityType": "User",
    "nonce": "0xc35819bb2ac3adffedd3a1597eb427db867f90e01376329607bcd55ba5cf736b",
    "signature": "0xa18ae5f0a9dc9ef2b2e901f7f416a5690dbf491fffe4a2748b6b1b48059b076a4a28a37eea4540894097ae9d749225d4c4797329e54b9093fb4826faeaa88c4e1c",
    "signer": "0xF7628Ea36C0C266E289b7538b033fB949A6C31ff",
    "userId": "386745392"
  }
}