{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27624",
    "entityType": "User",
    "nonce": "0x06e358b3bada60a8d9877395b3bf341de2f28d67aeed88498974d89d5ddbe264",
    "signature": "0xd31e089a942b201972a79c564399a40f8a679ce651d372205f2cbb69263193e621d915a78470d7d56767635dddaa2fb4bddc74f706d293298dc5d751ba07b7e21b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}