{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xff2dca2522d79fc9872228912e101a7684e52ff0260cf31999cee8e5c7dabd7b",
    "signature": "0x5b4771319cc821b810e3cb10c577d22c7f7ad24c052aeb9ede9a7a182fa9d0866cecebb64d6819acfc3bd8fdc0fd60f27c47da2beb3a02bd29907af72165d8ad1b",
    "signer": "0xbcB9AE185Ef98a61776b2905E51ad9C110C97E51",
    "userId": "207181198"
  }
}