{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "984593706",
    "entityType": "User",
    "nonce": "0xacc57262a40ec5a0dd7e2bf5bdeba63fbc7ae4dd761f6a0ca283e91ad544501c",
    "signature": "0x4e420a9bb113b2aca697cb081e282d73c8cae520bed480511b73cdb43bb53af148851e91ae026ddf652574c483cf6f91b503d87f64aec2d554731c913e1536c61c",
    "signer": "0x367680E9B4EfE77a6636091FA6c2c71749Cf7C60",
    "userId": "40274"
  }
}