{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18045",
    "entityType": "User",
    "nonce": "0x1bc3b6c852276910e86d1a35215b31b4ec055b5db76f6df7618988fae767012a",
    "signature": "0x7dc53ba98c28dc612450d3e737d56570fbcd5032ad1b9f41f90053a45beb31b61c937403715e937e44387b462825145a4c578145025ce18a7cbd142f234dcd201c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}