{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "314581",
    "entityType": "User",
    "nonce": "0x34be9c0a9639ae04d4c0e396455baf1bfedae66af1bab40b2a52eb0945ad9952",
    "signature": "0x1e63bb896dabfc2f93565cb64225a0b0ad3595b67420246f9cedd52736c522e0126e2387f8b589a9c8932d096bb9625d42ed3a014ab2434c765328384cc5d0661b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}