{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42524",
    "entityType": "User",
    "nonce": "0xaf96fc0c3294b00ee45bf90f0547c6911826096c42176b5eca97132f8d59d194",
    "signature": "0x5a09f402f007c590ae2b893137674e9501b5c3a5dc2e8c84b23b327f11eb695d3553832894626ba4e5386aacb33e304bf50992b5f73733c8e6e61b0c9ae56d181b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}