{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "855755014",
    "entityType": "User",
    "nonce": "0xa0423b1e736b78590bee13a0ac3599473648cfd43bfecc2f8a5349e78698825a",
    "signature": "0xd1a09c1b68736908d76af2260402d1d86e5c0d100b9820c5ba9653dc4147b57163244604fb76a03db1582b10fc45b836745bc31f7fdde011abb4405e800175651c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}