{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1685453",
    "entityType": "User",
    "nonce": "0x8a7bed0b27706330910e552a1400663e49bcc4bc0a220d9404a41330f0698915",
    "signature": "0x26fbcee07a61bfd8cdcdd32c94270997cb7047797f977eb737d5ff6a5d3e659262bda48caec18ccaccd28c1cbdeacf1728fd6cc134b64d20f9b004cfae241c1e1c",
    "signer": "0x1c4Ee34565eE3A8304706138026D7518821F356F",
    "userId": "584804802"
  }
}