{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1871",
    "entityType": "User",
    "nonce": "0xf8b025552d4f634d751f151c7afb7742082487d06ee33b7e9d79c85b194105db",
    "signature": "0x6f5a679b1afd5ce17624128b8a90324c09c7a8dc8af2f5e2258dd1a5cfc3dd73434f9c2ad32687049a4e9262584362811beb3266dd7fdad6940ec374db70ad171b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}