{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0842255af67863c2f2dacb750a374ba0896f0f617d56d7d2cd10ddac6c6275a1",
    "signature": "0xad9f252e623f46980498497c73264cbc71274ac58a0fb6756c8fd70b223c893a4ad8c6077487bf033d0a26ff9ac80afdba310296cef0f19b16ed5800f52bf05e1b",
    "signer": "0x85b05A5e7cF0feBb14BB5feC1E645dB5151F8e8b",
    "userId": "104634770"
  }
}