{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xeb56b289cbea1c774e033c00e5315e6d3158d9b3eb03f9467e80835e1bef7863",
    "signature": "0xde66b1f78fb20582794887a7f566cd294bd9b2d3533914cfa913bd0d2b8c1c7b65c1621fd1cb993af10592c490e75560b02e4dd273bc8074ac082a33af09a06e1b",
    "signer": "0xfd48E25E62Bcf2C3db9c370304207104a15056cA",
    "userId": "70113291"
  }
}