{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "962472503",
    "entityType": "User",
    "nonce": "0x2985f8a8b818913b6551c26079b4279a6967a7d9b4befc05bb8eda92326c9784",
    "signature": "0x8d77c1e5e133f112ea8967b5deb1c0697eb659d9e5899caf54aa6ed51c6df4ba549050836a2a9bf7da82d4ffa86817e358bafb793ea85b5fca2e9ea338eb18101c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}