{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "113",
    "entityType": "User",
    "nonce": "0x5f7e1a589ec6e8e9c3a4de1abd12906e072dc32330c6a30cee81c69ad569e00b",
    "signature": "0x81c4b9d5a52a5210d875a616a5a9dfbecdb6ae3c7c1fa07fdeb50278bfc8b5b3133b349abf356dc0a0b277ac9b751bd720e69509164af07c62b88736538a9e301b",
    "signer": "0x745895918A1926af8a7B4C34Af51BdF98bf5C7C8",
    "userId": "54958731"
  }
}