{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x93d418ba1852092ec91766a52f40c17c71d671d6382d3649319eaa20105451e8",
    "signature": "0x46b8f1eb7678c70a5e115e0f735f4756b39afd289d2d4b354fc8807d38b0c8cf6b9a256b3d831ad7f881b99a91652d533c905cfae6b08f4d37bf39728b65be921b",
    "signer": "0xaA9eCf4b968DEE734232DB11a08f40F64DD83C91",
    "userId": "729182803"
  }
}