{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "862512182",
    "entityType": "User",
    "nonce": "0xb57292812c4d49a26d87d2f70f873e1c24560baa3ea80a49a40dc475a68dda9f",
    "signature": "0x9c98d1f6a92eed0527290f244685604a88703558e279e8f3f533f9197c9a89696fc392be6271e7266e9a49a5ea5988af296722de11806040a204564a23fdacbe1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}