{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61107",
    "entityType": "User",
    "nonce": "0x922df8dad179b72c0c442f07f3682ebca19d0f46c9353cc2760ecb5e3e03adbf",
    "signature": "0x9c2ed0398579dbab00ad5eb08426d2b1287594e3cde5ff8f77eb94b5d8e83b010ef4344d79f051ab93bd295d5db7e40ac8b10f0f09796eaf297715c74bccfdcf1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}