{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "383930",
    "entityType": "User",
    "nonce": "0xf10455ca2471d7b09de873d0772d6b01a5532ecc620bd36c5bcf2c57484ad236",
    "signature": "0x617f903de884722b103447f954b91b2c369da20c0964e24f493d173ebe7245f0642eb57d4069817886fcba50e447f5e038df28047ade197c3922f8f2e92fde661c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}