{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "395602",
    "entityType": "User",
    "nonce": "0xc4d05d8f90f2237ed2377dd68cab33b959dbf17a8b9929bbeff9c9607d888fac",
    "signature": "0xdef3d89cf7c8f387d468b079dd23ccf99afe8e25b6427102bc4b45d885b0161f6ef6d3437b57f2df6e4d1c1b3ddcee72971002f3f1fe2d0543098d57338a9a0f1b",
    "signer": "0x07cB076DaACCA202F3ffB2dF4A778b16AcEf28Ee",
    "userId": "998685050"
  }
}