{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "395602",
    "entityType": "User",
    "nonce": "0xbb8bd31f78ff25d2f17a80f5c254985f527a1159e70dd222cf471d420a4b76e9",
    "signature": "0xb3400a3795415ffa183b9e86aedd7932a21b3b998d45cb1d230aad175d276677640e5619df8ef37c6328d5a4fd06824598544d7bc3b1543a6eb6058eed9b1eb61c",
    "signer": "0xC59f7055B078B1Ee57c271E19BE5Dd7033FD64f5",
    "userId": "950751701"
  }
}