{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78684817",
    "entityType": "User",
    "nonce": "0xfbf1a86c2c7ed357b68132c39535f8109475ad630919d796ac31e8afa618b23b",
    "signature": "0x1184fc3650773bec298240e283c4b6919cb6fa86ce1a0a1d32ce164b9aae24e82117e17ada9d899dadd4a5ddbef4563ddd1f77cbc89f4b55ca142c572b397ff51c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}