{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1905824",
    "entityType": "User",
    "nonce": "0x9236210974236e987fddc681b6e135c0bc0bb63b41209c5539b8f7fb815acfd3",
    "signature": "0x2a1cf9a58cbdd61aa16a34e394bb560b66d94fc8d37994c2faf416f2e8ecc4324f08d5d6c09e22e9bb60cec01223d3f6d6cbeb63a3da3cfdc809b2aaea8dcf331b",
    "signer": "0xCedE64dcD8b0FdEDBdADF4b0ba433797eD6301c9",
    "userId": "638733607"
  }
}