{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "964899801",
    "entityType": "User",
    "nonce": "0xac3047351d2e727dabece12346758e195a90a06d8d862e1e4612f50b5e2277ac",
    "signature": "0x62d6926d0447408858848ee1870b505144febb977156253f5975b636e954475a558b3e4f004bb5a879838b7f8cd9c431bdb9801288155c7ddc4b298c2ebdf6671c",
    "signer": "0xDe6128EEdBB4d15D391871267E286E878C7011B6",
    "userId": "144906061"
  }
}