{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1807579",
    "entityType": "User",
    "nonce": "0x6032a391c321d54d28be38c4321cc975780a2a083509c5a6890d85e5e9db5cdf",
    "signature": "0xe467f73459e696e3a636c3aba8257f201d1e3496daa01dd09ac2141f07edbcbc507d2690b4b71ecc3de70f30570ec4d80e4a0c81616dac43447c49d2411e47bd1b",
    "signer": "0xc7666bC2c39733fdDAC1b51E6D48C98cCadd0142",
    "userId": "705096688"
  }
}