{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "107195",
    "entityType": "User",
    "nonce": "0x4396b35252755fe85442d540b90be8a86af4527bb6918b9ae2c4d18710d4672b",
    "signature": "0x5274bd91152c8f63dbbffe40e4cd271625818771c6d528a85dac9eb6a16872607bdfac407cd4663e7b95bb7f26a6d69ffb80bf9298c69a4ae559319a77b400501c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}