{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "283535234",
    "entityType": "User",
    "nonce": "0xa834f4b952afeed408cc17083bc8b0555360a6711e590eef898d94e7e25cb122",
    "signature": "0x1c89fd816e781f96a414343c2edd32a283aec0eaa5f84190e4836ad3e60319940f0af2e1f32582d8bcdc41bb897857683ef7fcf289ea2a0de63b3e9476b8c34c1b",
    "signer": "0x253047c0af4Fc72D6658Bc16df0b3FE0dB459513",
    "userId": "186198383"
  }
}