{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x36b70a73fff47d30a963fc99ddca0f5788268c956606fd8afd12c0aa41e77d53",
    "signature": "0xf85b9342e9834b1ea2c837e2241c46739e9c86ff35ab7ab9d49afa6df3756b2f303047df5ecf325b67be0f714230df26a0ef76b2b7a124962e0e2c147a3696081c",
    "signer": "0x7173743A42637B8FCa1dB2218B9828Fa14b3995C",
    "userId": "763221081"
  }
}