{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "250198",
    "entityType": "User",
    "nonce": "0x39d4a33bf22668148e215ff0ec1c14c64ac5ef54119f79f0cc53f95f06b1cd32",
    "signature": "0xcd93108efa5251391e454a9ac5717b014a054193668bbd49980bc7d3cad0eaef7bef3f8b0d746201623d8342dd1644b07cae92543048ef29e2f7e7f32cfe7d0c1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}