{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "295266001",
    "entityType": "User",
    "nonce": "0x443b582261d97becea4e83f52bbed44bf75805c66776b56c502699d49c1d9af0",
    "signature": "0x7892bbdd856b26dcca5b1f790dfa25216e0b74077ed24b9c790fe1b716d8f2d5413a8dce052a351dc7f47a348862beae1d0c5cf4a9190817942b2f103350e8e61c",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}