{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "571117272",
    "entityType": "User",
    "nonce": "0xfce0dfb3d2273322c2256cc4551202af66deba3dc9c7068aebc7994559a19a54",
    "signature": "0x32dd9c655018847ef88b0754f3d204e008dd9b977e134c110f3f8beda569a9dc5a79113c1d6ed8a0165799ad21bf71591dcc876e3e86a2a2fee6a3ee0b48fb0b1b",
    "signer": "0xa22176a11BF6703EFe39D488aA7cC06aa781C44A",
    "userId": "633924738"
  }
}