{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "216784",
    "entityType": "User",
    "nonce": "0x01e0deb11e5213ec8f0c34b1ee3b2bab825f100de1d179c4fb3ad0988b769ae2",
    "signature": "0x93a096958f0ac546f11b20d970c9e24d2f09cd73394b9b7af5d787816ccf6357560cee17324b4560aa08ffc81c3dff15295be20220d038265b26812503ffc0e81b",
    "signer": "0x243f92B83d056f818b9b95664A8B7A86805A3E71",
    "userId": "111448"
  }
}