{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "327722",
    "entityType": "User",
    "nonce": "0x6e2111fb8912b0bdb660f825ed73ebdc6d33c1fc6066267e1d12515acb97fc4b",
    "signature": "0x3a214237b7382bd25b7b34652b3e05b554c2ae34038bfca3403b80888845549d6dd572a3332cb3786e10ee32ab6e71ace65796a814bd26e50b89c723d7f23c2a1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}