{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "285829",
    "entityType": "User",
    "nonce": "0x564586abc3cfc43ba93cc704533cb16ee7dafa81c138a98a33b8639671f9c011",
    "signature": "0xdb6ec5a6d8450f858fa345c3fd1423e848b9e0e881c26f9620fe11c94744a8e83ddf5091ccb1019f2680e326681890c5f20aeea7647764ac73ab43757c6cfdad1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}