{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x6fec708e0acd840844842430152c22f541a97c88bba5a4ea955af50bf74100d0",
    "signature": "0x42bd47e679b78ec8a95e0f911feb8d29a609f84f71cc4c0371b02f6a5d60528e377c53cda22d18d3831bd52341baa21768bd7bbe0e627c589b7229b86f21a0e81b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}