{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97457",
    "entityType": "User",
    "nonce": "0x25f03ff8aa662ac897c28588c5e7a25035987edd1e6936a71e0c13ff2bbe9b0a",
    "signature": "0x701fe2924d694f125dcfa9e34437077d96709c12effc862781b7e0d8d94088e0384ef21ba6da957e0bb89cd08c9ef3ffc97a72c4b3deb5b2cc417c68a5df93da1b",
    "signer": "0x7fdeEB144300AC6b1Be0E83d8f006b2D3140F73D",
    "userId": "325377357"
  }
}