{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0b3aa3134004799ba83eaf7ea22ee816cc063cf0bdc4a662c2cb51c581d38338",
    "signature": "0xcb8245fb82e82456bdbc43e46aea67d479af0c76ee260bb5721265957b84e767051b20f261f60e0e8edfa587dd6f5d11577929231feabb13c811d7dd34cbcf061b",
    "signer": "0x35392b64731B572C7CC55a02e7Fa586398B58EE6",
    "userId": "627249990"
  }
}