{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x72a576debe4ce75431b3010ea29c4be0bfe3958c9daf8334fb5638605625ec26",
    "signature": "0xf3f07119aa3b1edd167a77e8de5d0111f8c6b80b354813af0a80ed72152e44436cf0514ea97f252e0820d5e07a8c88822279c7c1fb4c7fb7d31277529e7a0d381c",
    "signer": "0xDbaBCC061998306F9777E05fa9242fe9B5b745aE",
    "userId": "510557963"
  }
}