{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "185108",
    "entityType": "User",
    "nonce": "0x784505a9b82703fe6c0d56dd0ca4b833b45d6672823f907e8dd5d01b831fe542",
    "signature": "0xc6bcd05bdc15a8c94ad5df805fdcc21cf8c848df56965c6a04b768faf1f53ceb33375fbd5e62ef52ca13fef4bb7987943fec6454f853410746322076b2772d491b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}