{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4e01e325c76c71c9ea8787a97e243f58c98420c42b674b14297bf16d41d101db",
    "signature": "0xc2ff1826ef8fe0f6d719e9f4278f6426bc13bb5175f66cfb3cdb3ba4e666040f5da50e2d663260b09319c56baf59aeb4bd0f1f2a2c6610d08a8643b2361526081c",
    "signer": "0xc94CB6e3FaD02AF27b7535c918dd8582DE31AAC7",
    "userId": "182395294"
  }
}