{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486842310",
    "entityType": "User",
    "nonce": "0x1e359301b47047868ed8786bf9cd48cc0d9a66912a9070ccb257e0d72d1df8b4",
    "signature": "0xc34eb145fb66f3127530ad49b178722ddb443e610f9c6361f98eac17cb65943d5e9c00442bc93c5ce15dd53c0a1546b4fe8ec6745780edc806b1d55154ddd09f1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}