{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x2c32aa7cf4a6e3cc5ad30fa960dcc67ecc84143d1727342d313ba9b3790fe188",
    "signature": "0x7990ceab2551cd96ce2cf074a30dce3b743f13122db4b88c5631a15a06c5991431c4bd24c725fc88597821a4a117107d6b48747e26e89a1510de2500daf0652c1b",
    "signer": "0x58Fd15cF8652ad74664BE5E78b4D09ab32Ce73Bd",
    "userId": "6838510"
  }
}