{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xd398191ba70dc7c9fa9dcda016d5df0dd9c4a390938c766c9204902cdac4885e",
    "signature": "0x8538c0e4b4739e2c8ba5139080079468b3357a8e78beac919c2f297881fb4d1b0b865e2ef44801ab25a711047ef1db1cb01d78d7bcf4c5db5f9966072bc2a8e51c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}