{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29243",
    "entityType": "User",
    "nonce": "0x2c3bb871e2ce014b3c0cf651d4063923008479d2a88ff0610664f01d97b76f07",
    "signature": "0xe189da8d8a842855cd3e5a2bf41d2634104aa1e1695475e39f5839aa5a24db0d75312d7b1baf4ce954ca646f31dc1ab9cb3a66b9a3e31a701d483a6debade4001b",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}