{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x25deb1bd8b516536f953231e39f8b5888c49edb6e14e7e19f8a17afa5fe0989f",
    "signature": "0xcb5da3d979b116e46b4436c6763a7892a1013aae3e2f1871763109f63823639a4605cb5f1a4fb072dd874dd3352fa6c13d0e4aefb120a745c285d064b31bba2f1c",
    "signer": "0x0fdbE0966d6f65E3DE225D16D06131c10d4F2b3e",
    "userId": "560630042"
  }
}