{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147204",
    "entityType": "User",
    "nonce": "0x8de72e961cc8afae4b81de82679c3dd6cae3b2275448a26fd66543ebb487d3dd",
    "signature": "0xdbfa45e86539842250909e2f59b42de38a852f4cbf3762ef4600019856649f082d1f90b756c7e9e415adfc1e1650156da0e492f7e03bdbc84b16abb39b68d0f31b",
    "signer": "0x80005E1c5cb88Fd03a994eC8a06eFD4c801102D7",
    "userId": "225974748"
  }
}