{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38277",
    "entityType": "User",
    "nonce": "0x09ec69bcfb5da621543d4097f1a026f9fd2dbce433b05815c7ecd591fb1397ce",
    "signature": "0x4caec27cb6396ddd5c71f7436e9932e0e2c97b98c716ba275d113f43c6a0bd56305694519f1b11c3fcba98f51bca93da92693d8cf3398f71d09bff2c148aee131b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}