{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38328",
    "entityType": "User",
    "nonce": "0x5a3715d94bd526620162d558dfa72c5d31482fe82a2a0f84854e02410fb19607",
    "signature": "0x4f146b7f00c1932c1dadf81860421cba8d0566ccec0e83fc9ed9c22ede67bfae72884a6d6e0eaf3963844699ee622a1070f9c54fb9b123ca36b07d515e4cf8f91c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}