{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "372805",
    "entityType": "User",
    "nonce": "0x3eb2ba39ecceb70097d389ae258b1a24014064d2d50a8db80dfbaae1b3e3b2ab",
    "signature": "0x2b24c115e3fb19d22cdc2f0af2d8f9cae55a2029dcbf00e5fb930795f962f82a433481ed2ff66e1bf482b4186329c1ca90f70351b52cc3e2451f65979d542e4e1c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}